Oral administration.
Adult: Adrenocortical insufficiency - 4 to 12mg a day as a single dose or in divided doses, in conjunction with a mineralocorticoid.
Other indications - 4 to 48mg a day as a single dose or in divided doses.
Children: Adrenocortical insufficiency - 117mcg per kg of body weight or 3.3mg per square meter of body surface a day as a single dose or in divided doses, in conjunction with a mineralocorticoid.
Other indications - 416mcg to 1.7mg per kg body weight or 12.5 to 50mg per square meter of body surface a day as a single dose or in divided doses.